One thing that school is good for is exposing you to ideas that are normally outside your sphere of interest, thus attempting to give you a balanced view of the world.
Granted, they're not completely successful at this but I think a lot of that has to do with our immaturity and privileged upbringing as much as it has to do with boring subjects.
"Why do I have to learn this", "I'll never use this", etc etc. The catch cries of a generation of students who have never had to fight for an education and don't have the awareness of how tough life can be to be grateful for the chance to gain one.